Description: YUV420 is a specific format of the YUV color space used in video compression. In this format, the luminance (Y) information is stored at full resolution, while the chrominance components (U and V) are sampled at half the resolution both horizontally and vertically. This means that for every four pixels of luminance, there is only one pixel of each chrominance component. This subsampling technique is fundamental for reducing the amount of data needed to represent an image, taking advantage of the human eye’s lower sensitivity to color variations compared to brightness variations. YUV420 is widely used in digital video applications, including compression formats like MPEG and in digital television broadcasting. Its structure allows for efficient compression without significantly sacrificing visual quality, making it a popular choice for the production and distribution of audiovisual content. Additionally, its compatibility with various video encoding standards makes it versatile across different platforms and devices.
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